baber/WOPTO huggingface dataset:
Patent GB-1250495-A (GB)
IPC: A01J13/00
Filed: 1968-09-30
Abstract: 1,250,495. Aerating liquids. J. MACMANUS. 26 Sept., 1969 [30 Sept., 1968], No. 46335/68. Heading B1C. In an apparatus for making whipped cream the latter is drawn from a refrigerated container (4, Fig. 1, not shown) and air through an adjustable orifice in an inlet block (11), mixed in a rotary sliding vane pump (9) and discharged to a static homogenizer (14). This comprises a core 23 enclosed in a casing 19, the casing or the core or both having intersecting helical grooves of opposite hand; as described there are two right hand grooves (35, Fig. 3 not shown) and a greater number of left-hand grooves (34) of steeper pitch. There may also be discs of different diameter having grooves forming a labyrinth on each face. As shown the mixture is supplied to the periphery of the disc 24, passes inwards through grooves 31, through bore 30, outwards between discs 24 and 25, inwards between discs 25 and 26 and thence outwards to enter the helical grooves. There is a similar set of discs 27, 28, 29 at the outlet end of the homogenizer.
Patent GB-1251169-A (GB)
IPC: A62D1/00
Filed: 1969-10-17
Abstract: 1,251,169. Halohydrocarbon fire extinguishants. NU-SWIFT INTERNATIONAL Ltd. 17 Oct., 1969 [25 Oct., 1968], No. 9671/71. Divided out of 1,241,690. Heading ASA. A liquid fire extinguishant comprises bromochlorodifluoromethane and dibromotetrafluoroethane e.g. 30% and 70% by wt. respectively. The composition may be stored and ejected under gas or vapour pressure.
Patent GB-1252139-A (GB)
IPC: H02J3/18
Filed: 1968-12-23
Abstract: 1,252,139. Inductor switching arrangements for A.C. networks. LICENTIA PATENTVERWALTUNGS-G.m.b.H. 23 Dec., 1968 [22 Dec., 1967], No. 61150/68. Heading H2H The volt drop or reactive current of an A.C. network is compensated by one or more inductances each controlled by one or more pairs of anti-parallel connected semi-conductor valves, the pair(s) being in series, parallel or series/ parallel with the inductance and having at least one of the valves controlled so that switching occurs when the current of the inductance is or passes through zero. The arrangement of Fig. 1 uses one pair of valves, both controlled, connected in series with an inductance L. The inductances L, L<SP>1</SP>, L<SP>11</SP> may be star-connected, with only one valve in each pair controllable, Fig. 4 (not shown). Other arrangements disclosed are:-(1) Series-connected inductances each in parallel with a pair of valves, both controlled, Fig. 5 (not shown). (2) A series arrangement of inductance and pair of controlled valves wherein the pair and part of the inductance are shunted by another pair of controlled valves, Fig. 7 (not shown). (3) The arrangement of (2) wherein further taps are provided on the inductance for further shunting pairs of controlled valves, Fig. 9 (not shown), or wherein the remaining portion of the inductance is shunted by a further pair of controlled valves, Fig. 8 (not shown). (4) Three stepped inductances each step being connected to that of another inductance through a pair of controlled valves, Fig. 10 (not shown). To prevent the occurrence of a transient of maximum value corresponding to the disconnection at zero inductance current which occurs at a supply voltage peak, Fig. 2 (not shown), the inductance may be switched in and out as shown in Fig. 3. Switching in at point t 3  of zero supply voltage introduces an aperiodic component I d  into the current waveform, such that a disconnection at zero current occurring before this component has decayed, for example at point t 4 , does not occur at a supply voltage peak and hence the magnitude of the transient is reduced. Fine and coarse compensation is described, using multi-stage inductances and capacitors of which one or a few stages are bridged by a reactive current converter providing the fine control.
Patent GB-1256667-A (GB)
IPC: B27G11/00
Filed: 1970-03-20
Abstract: 1,256,667. Coating apparatus. NORDSON CORP. 20 March, 1970 [20 March, 1969], No. 13613/70. Headings B2F and B2L. A gun for heating and dispensing molten thermoplastic material comprises a handgrip 14 a barrel 11 and conduit 16, 28 for the material having an inlet at the lower end of the grip and terminating at the forward end of the barrel 11, a control valve 37, 38, 39 and a trigger 51 for controlling it and a heater 21 for heating the material in the conduit 16 in the grip and means for preventing the surface temperature of the grip from rising to a level that would be painful to a human hand. In the embodiment shown in Fig. 1 an insulating sheathing 22 surrounds the heater element 21 and the inside surface of the grip has a heat reflecting coating 24. Air is drawn up through the handle between the surfaces 22, 24 to assist in cooling by means of a fan 62 in the rear part of the barrel 12. Further heating elements 59 and 60 (not shown) are provided in the barrel 11 and all are controlled by a thermostat 61. The trigger 51 pulls open a hemispherical valve 38 which seats against a passage 48 and the valve is closed-by a return spring 47. The gun is swivellably connected to a heated supply hose 15. In a modification a heater element is located inside the conduit 16 in the grip 14 and the conduit is surrounded by silicone foam, the fan being dispensed with, or alternatively the conduit is surrounded by fibreglass and the space between that and the grip is filled with urethane foam.
Patent GB-1257538-A (GB)
IPC: A63H19/18
Filed: 1969-12-12
Abstract: 1,257,538. Toy railway coupling. M. ERNST. 12 Dec., 1969 [21 Dec., 1968], No. 60661/  69. Heading A6S. A coupling for a toy railway (see plan view, Fig. 2) comprises a hook 1-5 which is mounted by means of resilient legs 6 into the chamber 14 and is retained in position by the abutments 8 and knife edges 19. An uncoupling pin 5 extends downwards from the hook. The mounting chamber, which is preferably formed in the end of the vehicle body, tapers towards the vehicle centre and the bounding walls 17 so defined are of somewhat lesser spacing than the sloping abutment surfaces 10 of the legs 6 when the hook is not fitted into the chamber. The hook may swing sideways and vertically upwards accompanied by resilient compression but an extension to the lower bounding edge of the frontal aperture prevents downward movement. In an alternative embodiment (side elevation, Fig. 7) the downward vertical movement is prevented by the arrangement of the knife edges defined by surfaces 26-29.
Patent GB-1288385-A (GB)
IPC: B23B13/00
Filed: 1969-02-07
Abstract: 1288385 Bar stock feeding ATLANTIS MACHINE TOOL DEVELOPMENTS Ltd 2 Feb 1970 [7 Feb 1969] 6639/69 Heading B3B A mechanism for feeding bar stock 15 into a machine tool comprises a plurality of supports consisting of a fixed part 11 and a part 12 movable laterally on posts 13 and between which is defined a cavity along which the bar 15 can be moved axially, the bar 15 being moved towards the machine tool by a movable part 26 of a linear induction motor which is connected to a pusher 30 movable in the cavity formed between the two parts 11, 12. On a return movement the movable part 26 of the linear induction motor strikes an abutment to move a rod 38 axially to operate cams 39 which act on rollers carried by the movable part 12 of the support to move it away from fixed part 11. This allows a new bar 15 to drop into the cavity between the parts 11, 12. A spring detent 22, 23 prevents further bars in a magazine from dropping. When the parts 11, 12 are separated the bar 15 rests on V supports 41. The movable part 26 of the linearinduction motor moves by rollers on tracks parallel to the direction of movement of the bar 15.
Patent GB-1295861-A (GB)
IPC: B65D81/03
Filed: 1969-02-25
Abstract: 1295861 Packaging T J A BURROW 26 May 1970 [25 Feb 1969] 10024/69 Heading B8C An article is enclosed in a first envelope which is protected by enclosure within a second, inflated, envelope. As illustrated, a transistor 10 is in an envelope 11 from which thermoplastic ligaments 13 and 14 project. Two halves of the outer envelope 18 are heat sealed together to surround the envelope 11 and to trap the ligament 14. A nozzle 23 introduces compressed air, after which the ligament 13 is drawn tight and trapped by heat sealing the neck 20. The envelopes and ligaments may be transparent and be made from polyethylene or polyvinyl chloride. As alternatives to the form shown, the outer envelope may be a cube, pyramid or cylinder. The arrangement may be used to package electric light bulbs.
Patent GB-1296006-A (GB)
IPC: B60S1/18
Filed: 1971-04-19
Abstract: 1296006 Windscreen wipers SWFSPEZIALFABRIK FUER AUTOZUBEHOER GUSTAV RAU GmbH 19 April 1971 [24 March 1970] 25203/71 Heading A4F A windscreen wiper drive mechanism comprises a rotary drive-shaft 10 having a crank member 11 secured thereto and a crank member 16, 17 carrying a crank fin 15 and rotatable with but slidable radially relative to the member 11, and a detent fin 24 displaceable by means 23 to engage a cam surface on and displace the member 16, 17 against the action of a spring or springs to increase or decrease the effective crank radius, whereby a wiper blade is moved to a parking position outside its normal wiping area. The detent 24 is displaced by a solenoid 23 energized when a wiper control switch is switched off. In the mechanism illustrated in Fig.1 the member 16, 17 is moved against the action of a tension spring 13 to increase the effective crank radius. In alternative embodiments the crank 16, 17 is moved against the action of two compression or tension springs 26, 27, Fig.3 (not shown) to increase or decrease the crank radius, or against the action of a single compression spring 29, Fig. 5 (not shown) to increase the crank radius.
Patent GB-1296276-A (GB)
IPC: C08L27/12
Filed: 1970-05-08
Abstract: 1296276 Irradiating polymers E I DU PONT DE NEMOURS & CO 8 May 1970 [20 Jan 1970] 22486/70 Heading C3P [Also in Division B2] The solder-iron resistance of an ethylene/ chlorotrifluoroethylene copolymer comprising from 40 to 60 mole per cent of ethylene and from 40 to 60 mole per cent of chlorotrifluoroethylene, based on the ethylene plus chlorotrifluoroethylene content of the copolymer is improved by subjecting the copolymer to ionizing radiation. In the Examples (i) the binary copolymer is irradiated on a wire, (ii) films of the copolymer and triallyl cyanurate are irradiated and (iii) chlorotrifluoroethylene, ethylene and alkyl heptafluoroisopropyl ether are copolymerized in the presence of 1,1,2-trichloro-1,2,2- trifluoroethane, chloroform and trichloroacetyl peroxide and the terpolymer irradiated.
Patent GB-1297494-A (GB)
IPC: H01R4/24
Filed: 1971-08-24
Abstract: 1297494 Electric couplings AMP Inc 24 Aug 1971 [9 Oct 1970] 39757/71 Heading H2E A connector for insulated wires comprises a metal channel-shaped base part 2 with wire receiving slots 10, 10<SP>1</SP>, 12, 12<SP>1</SP> in the free edges of the side walls 8, 8<SP>1</SP>, and a metal channelshaped cap part 4 matable with the base part, by fitting the base 20 of the channel between the side walls 8, 8<SP>1</SP>, to drive an insulated wire positioned between the parts into the slots, so that the edges of the slots pierce the wire insulation; the cap part 4 having a wire receiving slot 28, 30 extending across the base 20 and into the side walls 22, 22<SP>1</SP> to register with the slots in the base part 2 and also to pierce the wire insulation. Resilient latching fingers 16 engage complementary holes 32, 32<SP>1</SP> in the cap part 4 to secure the parts together on mating while wire-shearing members 26, 26<SP>1</SP> shear off the ends 35, 38 of the two insulated wires 36, 34 being interconnected. Either one or both of the shearing members may be omitted for the interconnection of a through wire and a tap wire or two through wires. Also the parts 2, 4 may be formed with a connecting member, e.g. a ring-torque or a plug, for connecting the wires to a circuit, in which case slots may be provided for one wire only. The connector may be insulated by a housing (Figs. 6, 7, not shown) comprising a base (42) and cap (44) each with grooves (48) for the wires and held together by posts (50) fitting into holes. In another embodiment (Figs. 8, 9, not shown) the base part. (54) is channel shaped with U-shaped side. walls (58) across which the wirereceiving slots (64) extend, while the cap part (56) is also channel shaped with U-shaped side walls whose outer arms (76) have wire-receiving notches (78) and fit into the U-shaped side walls (58) of the base part, a resilient latching plate (84) with an upstanding tongue (85) mating with a tongue (82) on the cap. The connector may be soldered to a conductive support.
Patent GB-1302302-A (GB)
IPC: G01N23/205
Filed: 1970-07-15
Abstract: 1302302 X-ray apparatus CARL ZEISS JENA VEB 15 July 1970 34336/70 Heading H5R X-ray apparatus permitting rapid examination of a crystal 8 mounted on a goniometer head 3 by a convergent X-ray beam from a line focus 21 includes an X-ray film 23 mounted in a cylindrical magazine 1 having a detachable lid 2 and a beam-defining steel diaphragm 11 of flat, truncated, pyramidal form, having an angle of convergence up to 15 degrees and with a portion 13 at its aperture end of polyvinylchloride, for trapping secondary X-rays. After passage through the crystal, the primary beam is received in a flat pyramidal lead trap 14 which is filled with polyvinylchloride 15, is supported from the lid 2 of the magazine, and has a convergence angle appropriate to that of the collimator 11. The equipment can be lined up with the X-ray beam by moving trap 14 aside to permit incidence of the beam on a fluorescent foil 18 covered by protective lead glass 19, and adjusting the feet 20. In a modified arrangement (Figs. 3 and 4, not shown), the diaphragm 11 is supported by an upright column (24) which extends from the goniometer control box 5 and which may be adjustably secured to the X-ray tube housing (25). The magazine 1 is open at the side contacting the column, and is mounted on a slide (26) on the box 5.
Patent GB-1308442-A (GB)
Title: Automatic adjuster for shoe drum brakes
Inventor: NEWSTEAD C
IPC: F16D65/56
Filed: 1969-06-25
Abstract: 1308442 Slack adjusters GIRLING Ltd 22 June 1970 [25 June 1969] 32109/69 Heading F2E A slack adjuster for an internal shoe drum brake having a rotary adjuster spindle 33 has a spring 18 arranged to be progressively loaded in response to a succession of mechanical signals derived from brake shoe application and release movements and released in response to completion of a predetermined number of such movements to effect partial rotation of a driven member 29 coupled to the adjuster spindle to effect an adjusting movement. Upon application of the brakes a Bowden cable 9 coupled to a mechanism sensing brake shoe movement pulls an input member 11 in a clockwise direction and drives a cam member 12 having ratchet teeth through one tooth space of ratchet 28 of a tubular extension 27 (Fig. 3, not shown) of a transfer member 21. A follower lever 16 pivoted at 17 is displaced in the clockwise direction by means of roller 26 engaging a cam face 24 and member 21 follows this movement under the action of a spring 23. Ratchet teeth 28 of the transfer member and ratchet teeth of driven member 29 slide over each other by the increment of one tooth pitch. On release, member 11 returns to its initial position engaging the next ratchet tooth on cam 12. Cam 12 is advanced stepwise upon successive brake applications until roller 13 carried by lever 16 engages the next top dwell of cam 12 whereupon lever 16 is returned under the action of spring 18 to the position shown carrying with it member 21 which has engaged the next tooth on driven member 29 which is rotated through one tooth space to rotate spindle 33 to effect a brake adjustment. The adjuster may be manually operated by providing a cup 48, Fig. 9 (not shown), which is depressed to provide a driving connection with a spindle (41), manually rotatable, and to break driving connection between transfer member 21 and driven member 29, rotation of cup and spindle then effecting rotation of driven member 29 and adjuster spindle 33. Vibration is damped by means of a split ring (54) having at its free ends a pair of lugs (61) carrying spring loaded balls (62) which engage in spaces between adjacent gear teeth of the ring of gear, teeth 42 on spindle (41) to restrain spindle 41 and driven member 29 against undesired rotation.
Patent GB-1322534-A (GB)
Title: Water-insoluble monoazo dyestuffs
IPC: C09B29/08
Filed: 1970-06-22
Abstract: 1322534 Monoazo dyes IMPERIAL CHEMICAL INDUSTRIES Ltd 26 May 1971 [22 June 1970] 30182/70 Addition to 1049039 Heading C4P The invention comprises water insoluble monoazo dyes having the general formula wherein L is Cl, Br, CN or acylamino; X si -CO-,-SO 2 -or-COO-; Y is an optionally substituted C 1 -C 4  alkyl or phenyl radical or a cyclohexyl radical; Z is H or a C 1 -C 4  alkyl or alkoxy group; R is a C 1 -C 4  alkyl radical; W<SP>1</SP> and W<SP>2</SP> each independently represent C 1 -C 4  alkylene radicals and n is an integer of from 1-10. The dyes may be obtained by diazotization or coupling and give reddish-blue to greenish-blue shades on aromatic polyester textile materials.
Patent GB-1323873-A (GB)
Title: Tubular rivet
IPC: B21J15/16
Filed: 1969-07-28
Abstract: 1323873 Riveting AVDEL Ltd 27 July 1970  [28 July 1969] 37689/69 Heading B3U [Also in Division F2] A pull through mandrel comprises a stem 41 and an enlarged head 42, the latter tapering towards the stem at an included angle of at least 44 degrees, e.g. 44-46 degrees or 59-61 degrees. The head 42 has a further tapered portion 46 at the end opposite to the stem, the taper having an included angle of 90 degrees.
Patent GB-1326415-A (GB)
Title: Apparatus for reducing the thickness of metal
IPC: B21B13/18
Filed: 1971-10-18
Abstract: 1326415 Rolling mills IMPERIAL METAL INDUSTRIES (KYNOCH) Ltd 18 Oct 1971 [9 Nov 1970] 53122/70 Heading B8M A pendulum rolling mill, of the kind in which a work roll 5 (Fig. 2) and backing rolls 6 are carried in a reciprocable arm 1 on each side of a pass line A-A, and in which each arm is pivotally supported between a pair of beams 3, 3b, incorporates a screw-down mechanism 12 which acts on the free end of each beam and includes a load safety device. Each load safety device is arranged to fracture when an overload condition is encountered. The two beams 3 and 3b of each pair (Fig. 4) are coupled together by an ajustable tongue-and-slot connection so that pivotal movement beyond a desired limit of one beam, caused by fracture of its associated safety device, will cause pivotal movement of the other beam and consequent fracture of the second device. Each device 12 (Fig. 3), includes a head 19 which bears against a beam and which is carried in a cup-shaped member 17. The member is slidable within a bore 15 of an outer housing 14, but is normally held against such movement by a frangible annulus 22 which bears against the housing 14 via a plug 26. A threaded ring 31 is used to preload the annulus 22 by compressing it between the plug and the housing 17. Upon fracture of the annulus the housing slides upwardly, its movement being limited by contact between a washer 24 and a padding washer 25 associated with the annulus. The two safety devices above the pass line may be set to fracture at a lower value of overload than those below the line.
Patent GB-1328487-A (GB)
Title: Camera lens control mechanism
IPC: G05D3/14
Filed: 1971-12-30
Abstract: 1328487 Electric correspondence control systems RANK ORGANIZATION Ltd 30 Dec 1971 [9 Feb 1971] 4255/71 Headings G1N, G1U A module to be fixed to the lens at the front of a camera for automatically adjusting the zoom and iris functions in accordance with command signals from an operator at the rear, comprises a motor 6 (Fig. 1) driving the lens element 9 and an output signal transducer e. g. a potentiometer 2 through a slipping clutch 8, the difference between the command signal and the output signal forming the control signal on terminal 11. The invention comprises means for supplying a constant positive or negative voltage via terminals 12 or 13 and switch 14 or 15 whereby potentiometer 2 is driven to one end of its travel and the clutch 8 slips while the motor 6 drives the lens element 9 to its end of travel, so that potentiometer 2 and element 9 are correctly interrelated. Velocity feedback is obtained from tachogenerator 7. The switches 14, 15 may add the constant voltage to the error, control signal, or disconnect the error signal.
Patent GB-1332743-A (GB)
Title: Electroluminescent devices
IPC: H05B33/12
Filed: 1971-04-16
Abstract: 1332743 Radiographic screens THORN ELECTRICAL INDUSTRIES Ltd 16 April 1971 9684/71 Addition to 1185832 Heading H5R [Also in Division C4] An EL device comprises a device as in parent Specification 1,185,832, with a further layer 16 comprising a flexible and resilient metallic sheet. The device such as a radiographic screen of flexible laminated construction includes first transparent electrode 11, EL phosphor layer 12, dielectric layer 14, a second electrode 15 and strengthening backing sheet 16 adjacent or in contact with electrode 15. The first electrode may be a plastics sheet bearing a conductive film obtained by vapour or solution deposition process, the phosphor may be dispersed in an organic resin or lacquer, the dielectric is dispersed in a resin layer and the second electrode a thin metal foil or a deposited coating which may be transparent. The metallic backing sheet may be of stainless or spring steel of thickness 0À001 to 0À010 inches, preferably stainless steel 0À002 to 0À005 inches. Excitation may be X-rays, U.V., or cathode rays. The layer 13 of irradiation responsive material includes ZnO for instance, whose electrical characteristics are altered when irradiated, such that after irradiation light emission occurs on electrical field application, emission ceases on removal of field, and recommences on field reimposition. Eradication may be by heat or infra-red radiation, the metallic backing sheet ensuring that during heating the device retains its resiliency, and promotes uniformity of heating, ensuring more even image eradication and also absorbs X-rays. Encapsulation of the device is preferred, and may be wholly or partially enveloped in a plastics material 17, and is preferably omitted on the face of the first transparent electrode for photographic contact printing. The envelope material overlying layer 18 may be transparent and the remainder opaque. Film 11 can be applied to plastics sheet 18 by evaporation of Au, Ni, Cr alloys or indium compounds or as described in Specification 1,129,816. Phosphor 12 may be of green emitting ZnS in a plastics material layer 14, a dielectric material, e.g. barium or barium strontium titanate in a plastics material, electrode 14, a metal foil, evaporated metal film or a conducting paint, and contacts may be metal ribbons or eyelets entering envelope 17. Features as in Specification 1,190,421 may be included, such as a dye-stuff or other colouring material in the phosphor layer or in the path of light passing to the outside of the device to increase contrast.